Home / 2,131,254.05-2,941,131.77-1,151,193.08

Finding the Fourth Proportional to 2,131,254.05, 2,941,131.77 and 1,151,193.08

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Solution

The fourth proportional to 2,131,254.05, 2,941,131.77 and 1,151,193.08 is: 1,588,647.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,254.05 : 2,941,131.77 = 1,151,193.08 : x
  2. Step 2: Convert to fraction form
    2,131,254.05/2,941,131.77 = 1,151,193.08/x
  3. Step 3: Cross multiply
    2,131,254.05x = 2,941,131.77 × 1,151,193.08
  4. Step 4: Simplify right side
    2,131,254.05x = 3,385,810,520,530.53
  5. Step 5: Solve for x
    x = 3,385,810,520,530.53/2,131,254.05
  6. Step 6: Final answer
    x = 1,588,647.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.